# LibHTTP API Reference ### `httplib_pthread_key_delete( key );` ### Parameters | Parameter | Type | Description | | :--- | :--- | :--- | |**`key`**|`pthread_key_t`|The key to delete| ### Return Value | Type | Description | | :--- | :--- | |`int`|Integer value with the result of the function| ### Description The platform independent function `httplib_pthread_key_delete()` is used to delete a previously allocated key to thread specific data memory. The function returns **0** when succesful or an error code if something went wrong. On systems which support it, the functionality is implemented as a direct call to `pthread_key_delete()`. Otherwise own code is used with equivalent functionality. ### See Also * [`httplib_pthread_getspecific();`](httplib_pthread_getspecific.md) * [`httplib_pthread_key_create();`](httplib_pthread_key_create.md) * [`httplib_pthread_self();`](httplib_pthread_self.md) * [`httplib_pthread_key_setspecific();`](httplib_pthread_setspecific.md)